reaction

UK
/rɪˈækʃən/
US
/riˈækʃən/

Translations

reactionnoun
reactions
pl
UK
/rɪˈækʃən/
US
/riˈækʃən/
Her reaction to the surprise party was one of sheer joy.
Sa réaction à la fête surprise était une joie pure.
réaction chimiqueChimie.
The reaction between vinegar and baking soda produces carbon dioxide gas.
La réaction chimique entre le vinaigre et le bicarbonate de soude produit du dioxyde de carbone.
réactionMédecine ; souvent avec un complément précisant la cause ou l’allergène.
He had a severe allergic reaction to the peanuts.
Il a eu une grave réaction allergique aux cacahuètes.
réactionPolitique, sociologie.
The new policy was met with strong reaction from conservative groups.
La nouvelle politique a suscité une forte réaction de la part des groupes conservateurs.
réactionPhysique.
When the rocket expels gas downward, the equal and opposite reaction propels it upward.
Lorsque la fusée expulse des gaz vers le bas, la réaction égale et opposée la propulse vers le haut.
réflexesAu pluriel, surtout dans le sport et les jeux vidéo.
A gamer needs quick reactions to compete at the highest level.
Un joueur a besoin de réflexes rapides pour concourir au plus haut niveau.
reactionadjective
UK
/riˈækʃən/
US
/riˈækʃən/
Used attributively before another noun (e.g., "reaction time", "reaction vessel").
réactionnelTechnique, surtout en chimie.
The chemist poured the solution into a reaction vessel.
Le chimiste a versé la solution dans un récipient réactionnel.

Definitions

reactionnoun
A response to a stimulus or situation.
Her reaction to the surprise party was one of sheer joy.
A chemical process in which substances interact to form new substances.
The reaction between vinegar and baking soda produces carbon dioxide gas.
A physiological response to a substance, such as an allergen.
He had a severe allergic reaction to the peanuts.
A movement or tendency opposing a current trend or political change.
The new policy was met with strong reaction from conservative groups.
In physics, a force exerted by a body equal in magnitude and opposite in direction to an applied force.
When the rocket expels gas downward, the equal and opposite reaction propels it upward.
The ability or speed with which someone responds to a stimulus, especially in physical activities (usually plural).
A gamer needs quick reactions to compete at the highest level.
reactionadjective
Relating to, resulting from, or used for a reaction, especially a chemical reaction.
The chemist poured the solution into a reaction vessel.